Start changing camera write and restore functions.

include/openspace/interaction/interactionhandler.h

@@ -196,6 +196,7 @@ public:
 
     void saveCameraPosition(const std::string& filepath = "");
     void restoreCameraPosition(const std::string& filepath = "");
+    void setCameraState(const ghoul::Dictionary& cameraDict);
 
 private:
     void setInteractionMode(std::shared_ptr<InteractionMode> interactionMode);

include/openspace/util/camera.h

@@ -123,10 +123,12 @@ namespace openspace {
         void preSynchronization();
         void serialize(SyncBuffer* syncBuffer);
         void deserialize(SyncBuffer* syncBuffer);
-
+        
         void serialize(std::ostream& os) const;
         void deserialize(std::istream& is);
-
+        
+        void setStateFromDictionary(const ghoul::Dictionary& cameraDict);
+        ghoul::Dictionary getStateDictionary();
         /**
         Handles SGCT's internal matrices. Also caches a calculated viewProjection
         matrix. This is the data that is different for different cameras within